/*!	 valuenode_animatedfile.h
**	 Header file for Valuenode_AnimatedFile.
**
**	......... ... 2016 Ivan Mahonin
**
**	This package is free software; you can redistribute it and/or
**	modify it under the terms of the GNU General Public License as
**	published by the Free Software Foundation; either version 2 of
**	the License, or (at your option) any later version.
**
**	This package is distributed in the hope that it will be useful,
**	but WITHOUT ANY WARRANTY; without even the implied warranty of
**	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
**	General Public License for more details.
**
*/

#ifndef __SYNFIG_VALUENODE_ANIMATEDFILE_H
#define __SYNFIG_VALUENODE_ANIMATEDFILE_H

#include <synfig/canvas.h>

#include <synfig/valuenodes/valuenode_animatedinterface.h>

namespace synfig
{

/** \class ValueNode_AnimatedFile */
class ValueNode_AnimatedFile : public LinkableValueNode, public ValueNode_AnimatedInterfaceConst
{
public:
    typedef etl::handle<ValueNode_AnimatedFile> Handle;
    typedef etl::handle<const ValueNode_AnimatedFile> ConstHandle;

private:
    class Internal;
    class Parser;

    Internal *internal;

    String current_filename;
    ValueNode::RHandle filename;
    std::map<String, String> filefields;

    explicit ValueNode_AnimatedFile(Type &t);

    void load_file(const String &filename, bool forse = false);
    void file_changed();

public:
    ~ValueNode_AnimatedFile();

    virtual String get_name()const;
    virtual String get_local_name()const;

    using synfig::LinkableValueNode::get_link_vfunc;
    using synfig::LinkableValueNode::set_link_vfunc;
    virtual ValueNode::LooseHandle get_link_vfunc(int i) const;

    static bool check_type(Type &type);
    static ValueNode_AnimatedFile* create(const ValueBase &x);
    virtual Vocab get_children_vocab_vfunc() const;

    virtual ValueBase operator()(Time t) const;
    virtual void get_values_vfunc(std::map<Time, ValueBase> &x) const;

    String get_file_field(Time t, const String &field_name) const;

protected:
    LinkableValueNode* create_new() const;

    virtual void on_changed();
    virtual bool set_link_vfunc(int i, ValueNode::Handle x);
};

}; // END of namespace synfig

#endif